Implement BiomeEditPanel. It allows to edit provided biome properties…

… via GUI.

src/main/java/world/bentobox/addons/biomes/panel/admin/AdminBiomeTypePanel.java

@@ -0,0 +1,137 @@
+package world.bentobox.addons.biomes.panel.admin;
+
+
+import org.bukkit.Material;
+import org.bukkit.World;
+import org.bukkit.block.Biome;
+
+import world.bentobox.addons.biomes.BiomesAddon;
+import world.bentobox.addons.biomes.panel.CommonPanel;
+import world.bentobox.bentobox.api.panels.PanelItem;
+import world.bentobox.bentobox.api.panels.builders.PanelBuilder;
+import world.bentobox.bentobox.api.panels.builders.PanelItemBuilder;
+import world.bentobox.bentobox.api.user.User;
+
+
+/**
+ * This panel will open menu with all biomes that are available in current Minecraft server.
+ */
+public class AdminBiomeTypePanel extends CommonPanel
+{
+	/**
+	 * @inheritDoc
+	 * @param targetPanel Panel that is necessary to open when biome is choosed.
+	 */
+	public AdminBiomeTypePanel(BiomesAddon addon,
+		World world,
+		User user,
+		String topLabel,
+		String permissionPrefix,
+		CommonPanel targetPanel)
+	{
+		this(addon, world, user, topLabel, permissionPrefix, targetPanel, null);
+	}
+
+
+	/**
+	 * @inheritDoc
+	 * @param targetPanel Panel that is necessary to open when biome is choosed.
+	 */
+	public AdminBiomeTypePanel(BiomesAddon addon,
+		World world,
+		User user,
+		String topLabel,
+		String permissionPrefix,
+		CommonPanel targetPanel,
+		CommonPanel parentPanel)
+	{
+		super(addon, world, user, topLabel, permissionPrefix, parentPanel);
+		this.targetPanel = targetPanel;
+		this.cancelButton =
+			this.createCommonButton(CommonButtons.CANCEL,
+				(panel, user1, clickType, slot) -> {
+					if (this.parentPanel != null)
+					{
+						this.parentPanel.build();
+					}
+					else
+					{
+						this.user.closeInventory();
+					}
+
+				return false;
+			});
+	}
+
+
+	@Override
+	public void build()
+	{
+		PanelBuilder panelBuilder = new PanelBuilder().user(this.user).name(
+			this.user.getTranslation("biomes.gui.admin.choose-biome-title"));
+
+		int MAX_ELEMENTS = 45;
+		if (this.pageIndex < 0)
+		{
+			this.pageIndex = 0;
+		}
+		else if (this.pageIndex > (Biome.values().length / MAX_ELEMENTS))
+		{
+			this.pageIndex = Biome.values().length / MAX_ELEMENTS;
+		}
+
+		int biomeIndex = MAX_ELEMENTS * this.pageIndex;
+
+		while (biomeIndex < ((this.pageIndex + 1) * MAX_ELEMENTS) &&
+			biomeIndex < Biome.values().length)
+		{
+			panelBuilder.item(this.createBiomeButton(Biome.values()[biomeIndex]));
+			biomeIndex++;
+		}
+
+		int nextIndex = biomeIndex % MAX_ELEMENTS == 0 ?
+			MAX_ELEMENTS :
+			(((biomeIndex % MAX_ELEMENTS) - 1) / 9 + 1) * 9;
+
+		if (biomeIndex > MAX_ELEMENTS)
+		{
+			panelBuilder.item(nextIndex, this.createCommonButton(CommonButtons.PREVIOUS));
+		}
+
+		if (biomeIndex < Biome.values().length)
+		{
+			panelBuilder.item(nextIndex + 8, this.createCommonButton(CommonButtons.NEXT));
+		}
+
+		panelBuilder.item(nextIndex + 4, this.cancelButton);
+
+		panelBuilder.build();
+	}
+
+
+	/**
+	 * This method creates biomes button.
+	 * @param biome Biome which button is necessary.
+	 * @return PanelItem button.
+	 */
+	private PanelItem createBiomeButton(Biome biome)
+	{
+		return new PanelItemBuilder().
+			name(biome.name()).
+			icon(Material.MAP).
+			clickHandler((panel, user, clickType, slot) -> {
+				this.targetPanel.setValueObject(biome.name());
+				this.targetPanel.build();
+				return true;
+			}).build();
+	}
+
+
+// ---------------------------------------------------------------------
+// Section: Variables
+// ---------------------------------------------------------------------
+
+	private CommonPanel targetPanel;
+
+	private PanelItem cancelButton;
+}